Specification :

Tetracosactide Acetate( ACTH1-24)
CAS NO 16960-16-0
purity : 98% min

1 Appearance White to off-White powder Conforms
2 Solubility Soluble in water or acetic acid to give a clear, colorless solution Conforms
3 Identity by HPLC The retention is the same with the reference substance. Conforms
4 Specific Optical Rotation -99.0^ -109.0( c= 1, 1% HAc) -102.6°
5 Amino Acid Composition ± 10% of theoretical Conforms
6 Water Content ( Karl Fischer) d8.0% 3.8%
7 Acetate Content ( By HPLC) d13.0% 11.5%
8 Related Substance ( By HPLC) Total Impurities ( % ) d2.0% Largest Single Impurity ( % ) d 1.0% 1.3% 0.8%
9 Assay( ByAnhydrous, AceticAcid-Free) 97.0^ 103.0% 98.2%
10 Bacterial Endotoxins d 50 IU/ mg Conforms Desmopressin Acetate